[yocto] Problems enabling systemd

[Bruce Ashfield]

On 04/20/2015 02:06 PM, Matt Schuckmann wrote:
>
>
>> -----Original Message-----
>> From: Bruce Ashfield [mailto:bruce.ashfield at windriver.com]
>> Sent: Monday, April 20, 2015 7:52 AM
>> To: Matt Schuckmann; Yocto Project
>> Subject: Re: [yocto] Problems enabling systemd
>>
>> On 04/20/2015 04:43 AM, Anders Darander wrote:
>>> * Matt Schuckmann <Matt.Schuckmann at planar.com> [150417 23:27]:
>>>> I've got an image for a AM3352 system based on Dylan and Arago and
>>>> I'm trying to switch to systemd for init.
>>>
>>>> So far I haven't had much luck.
>>>> First off I'm getting different results depending on where I turn it
>> on.
>>>> I'm turning it on via the following 2 lines:
>>>
>>>> DISTRO_FEATURES_append = " systemd"
>>>> VIRTUAL-RUNTIME_init_manager = "systemd"
>>>
>>> These two lines looks correct, though, if you're building a
>>> systemd-only distro & image, you migth want to add:
>>>
>>> DISTRO_FEATURES_BACKFILL_CONSIDERED = "sysvinit"
>>>
>>>> If I place these lines in my_image.bb file I seem to get a partial
>>>> install of systemd, systemd_udev is there and seems to run but
>> that's
>>>> about it, there is no systemctrl journalctl and the sysvinit init
>>>> scripts still seem to be called.
>>
>>
>> And also on this point, make sure to check your PACKAGECONFIG values
>> for systemd. The optional utilities like networkd are not enabled by
>> default, and a bbapend of the systemd recipe is needed to enable them
>> via PACKAGECONFIG.
>>
>> Cheers,
>>
>> Bruce
>
> Thanks for the info, Bruce I'll try a take a look. Are there any good examples for what to do with PACKAGECONFIG? the Yocto manual doesn't mention this at all for systemd.
>

I can share my configuration in a day or so, I'm in need of a refresh to
github, and that'll work for one reference (and one that I know works).

Otherwise, I recall that Angstrom has some systemd usecases, so cloning
and having a look at those layers would also be a good reference.

Bruce

>>
>>>
>>> DISTRO_FEATURES is a distro (policy) configuration, and thus, can't
>> be
>>> modfied in a recipe. The correct way would be to add this in your own
>>> my_distro.conf.
>>>
>>>> If I place these lines in either local.conf or my_distrobution.conf
>>>> all of the systemd utility seem to get installed and systemd
>> startups
>>>> up but it's clearly not configured correctly.
>>>
>>> Good that it seems to be installed OK.
>>>
>>>> For starters the systemd dbus isn't getting created and that seems
>> to
>>>> lead to a whole host of other problems, including journald constant
>>>> spewing the following error messages:
>>>
>>>> [   55.926223] systemd-journald[715]: Failed to write entry,
>> ignoring: Argument list too long
>>>> [   55.936931] systemd-journald[715]: Failed to rotate
>> /run/log/journal/c37feca280b74ec583564afcc2a93f0a/system.journal: No
>> such file or directory
>>>> [   55.950911] systemd-journald[715]: Failed to write entry,
>> ignoring: Argument list too long
>>>> [   55.961580] systemd-journald[715]: Failed to rotate
>> /run/log/journal/c37feca280b74ec583564afcc2a93f0a/system.journal: No
>> such file or directory
>>>> [   55.975568] systemd-journald[715]: Failed to write entry,
>> ignoring: Argument list too long
>>>> [   55.986329] systemd-journald[715]: Failed to rotate
>> /run/log/journal/c37feca280b74ec583564afcc2a93f0a/system.journal: No
>> such file or directory
>>>
>>>> I don't know if it matters but this system has no display at all,
>>>> it's a strictly embedded installation.
>>>
>>> That shouldn't really matter, I'm running systemd in headless setups.
>>>
>>> I'd guess that you're getting some errors earlier than this in the
>>> bootlog? Could you paste them?
>>>
>>> Cheers,
>>> Anders
>>>
>>>
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